脱疽临床应当与下列疾病相鉴别,除了()
A.雷诺病
B.大动脉炎
C.糖尿病性坏疽
D.下肢静脉曲张
E.肢体动脉栓塞
参考答案:D
We spend about an hour a day _____. [ ]
A. do our homework
B. doing our homework
C. do our homeworks
D. to do our homework
领用纸板(箱)时应做好记录。